Journal of Power and Energy Engineering, 2020, 8, 22-34 https://www.scirp.org/journal/jpee ISSN Online: 2327-5901 ISSN Print: 2327-588X DOI: 10.4236/jpee.2020.86003 Jun. 28, 2020 22 Journal of Power and Energy Engineering Investigation of Power Supply to Subsea Loads from High Voltage Electric Source Using Modular Direct Current Scheme Biweri Kainga 1 , Roupa Agbadede 2 1 Department of Mechanical Engineering, Nigeria Maritime University, Warri, Nigeria 2 Department of Electrical Engineering, Nigeria Maritime University, Warri, Nigeria Abstract Subsea power converters have been identified in recent researches as a poten- tial means of supplying power to subsea loads and this technology has been seen as a means to reduce the reliance on offshore platforms. This study ana- lyses all electric subsea high power system for power generation and trans- mission in the offshore oil and gas industry for sustainable subsea develop- ment. In order to accomplish the analysis of power generation and transmis- sion to subsea loads, the MAT lab SIMULINK software was employed to as- certain losses arising from the transmission of power to subsea systems. Data from Agbara and Akpo fields, all located in Nigeria, were analysed using the MSDC model as an alternative power source for power generation and transmission to all subsea loads. When the voltage loss between a step out distance at 30 km and 200 km was compared for the Akpo oil field, the plots indicate a significant loss in voltage. The RMS value of voltage loss increased from 0.8874 at a step out distance 30 km to 0.9449 for 200 km. Keywords Subsea Loads, Risk Analysis, Voltage Loss, Power Systems 1. Introduction The demand for energy is growing all over the world due to industrialization, economic development and population growth. The United States Energy In- formation Administration (USEIA) predicts that the demand of energy will in- crease continuously from 2010 to 2040 [1]. The offshore oil and gas production is moving towards the exploration of unconventional oil at a water depth of How to cite this paper: Kainga, B. and Agbadede, R. (2020) Investigation of Power Supply to Subsea Loads from High Voltage Electric Source Using Modular Direct Cur- rent Scheme. Journal of Power and Energy Engineering, 8, 22-34. https://doi.org/10.4236/jpee.2020.86003 Received: April 19, 2020 Accepted: June 25, 2020 Published: June 28, 2020 Copyright © 2020 by author(s) and Scientific Research Publishing Inc. This work is licensed under the Creative Commons Attribution International License (CC BY 4.0). http://creativecommons.org/licenses/by/4.0/ Open Access